If it's not what You are looking for type in the equation solver your own equation and let us solve it.
3x+9+8x+4=90
We move all terms to the left:
3x+9+8x+4-(90)=0
We add all the numbers together, and all the variables
11x-77=0
We move all terms containing x to the left, all other terms to the right
11x=77
x=77/11
x=7
| 15x+1=6x+5=4x-1 | | —3+5x=17 | | -2a2-4a+16=-2 | | 4+30x=20x=10 | | 3(x-3)+12=-36 | | 7n-3n=15 | | 3x+5-7x=-11 | | 9.5x=2.5 | | -20=z-14 | | 12+48/6=2x | | 6x-2(3-x-5)=154 | | 0.25+y=3.05 | | (5x+4)°+59=360 | | 9.5+x=2.5 | | 4/x=9/15 | | 2/7(x-1)+1=3/7 | | 18-9n=-30 | | g=7g=7 | | -11x=-66x= | | 5x+28=9x-8 | | 1n=n | | 5x+126-5x=180 | | (10-2x)(11-2x)=54 | | 2.67=m-29 | | F(x)=-1/8x+1/2 | | 3/y=8.4/21 | | 40=20x-140 | | -12x=-108x= | | v-4=9.71 | | -4x+2=8x-4 | | 6x-10+40=10x+8x | | (3x+6)(6x+4)=64 |